Glendale (AZ)
September
Weather in Glendale, Arizona for September 2025
Your guide to Glendale weather in September - trends and predictions
Until now, September 2025 in Glendale is slightly cooler than the historical average by -1.7 °F.
Expect cooler weather in the next days in Glendale with the forecast suggesting a temperature of 37.5 °F, lower than the historical average.
In general, the average temperature in Glendale at the beginning of September is 39.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 37.3 °F by the end of September.
With an average of 3 rainy days, Glendale experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
27
Dry days
3
Rainy days
0
Snow days
38°/26°
Temperatures
18 km/h
Avg max wind
23 %
Avg humidity
Glendale Weather September
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Temperatures trend during September in Glendale
See the weather trend as well as the moving average line
September weather in Glendale day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 39° /27° | 14.7 mm | 9 | |
| Sept. 2 |  Partly cloudy | 38° /29° | 0 mm | 9 | |
| Sept. 3 |  Sunny | 40° /29° | 0 mm | 9 | |
| Sept. 4 | Sunny | 40° /29° | 0 mm | 9 | |
| Sept. 5 | Sunny | 38° /28° | 0 mm | 9 | |
| Sept. 6 | Sunny | 40° /28° | 0 mm | 10 | |
| Sept. 7 | Sunny | 41° /28° | 0.1 mm | 9 | |
| Sept. 8 | Partly cloudy | 40° /28° | 0 mm | 9 | |
| Sept. 9 | Sunny | 42° /29° | 0 mm | 10 | |
| Sept. 10 | Sunny | 41° /29° | 0 mm | 9 | |
| Sept. 11 | Sunny | 39° /29° | 0 mm | 9 | |
| Sept. 12 | Sunny | 37° /28° | 0 mm | 9 | |
| Sept. 13 | Sunny | 37° /26° | 1 mm | 9 | |
| Sept. 14 | Sunny | 38° /24° | 0 mm | 9 | |
| Sept. 15 | Sunny | 41° /23° | 0 mm | 2 | |
| Sept. 16 | Sunny | 42° /26° | 0 mm | 2 | |
| Sept. 17 | Partly cloudy | 38° /28° | 0 mm | 1.7 | |
| Sept. 18 | Patchy rain possible | 38° /29° | 0.2 mm | 0.7 | |
| Sept. 19 |  Moderate rain | 35° /29° | 5.1 mm | 0 | |
| Sept. 20 | Patchy rain possible | 38° /30° | 0.1 mm | 7 | |
| Sept. 21 | Sunny | 39° /32° | 0 mm | 9 | |
| Sept. 22 | Patchy rain possible | 38° /28° | 0.8 mm | 7 | |
| Sept. 23 | Sunny | 34° /26° | 0.1 mm | 7 | |
| Sept. 24 | Sunny | 36° /28° | 0 mm | 8 | |
| Sept. 25 | Sunny | 37° /30° | 0 mm | 8 | |
| Sept. 26 | Sunny | 38° /30° | 0 mm | 8 | |
| Sept. 27 | Sunny | 39° /30° | 0 mm | 8 | |
| Sept. 28 | Sunny | 32° /26° | 0 mm | 7 | |
| Sept. 29 | Partly cloudy | 40° /25° | 0 mm | 10 | |
| Sept. 30 | Sunny | 39° /23° | 0 mm | 10 | |
| Next | |||||
Important Notice
Our weather forecast for Glendale in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Glendale forecast closer to your planned date for the most up-to-date weather information.
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Glendale in September - FAQ
What are the expected maximum and minimum temperatures in Glendale during September?
With daytime temperatures soaring above 38° and not dropping much below 26° at night, September in Glendale is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Glendale during September?
In September, Glendale can expect light to moderate rainfall, totaling 27.1 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Glendale during September?
The average wind speed in Glendale during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Glendale
Explore the daily rainfall trends and prepare for Glendales September weather 💧
UV exposure in Glendale during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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